378338336473 has 2 divisors, whose sum is σ = 378338336474. Its totient is φ = 378338336472.

The previous prime is 378338336459. The next prime is 378338336479. The reversal of 378338336473 is 374633833873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378185641024 + 152695449 = 614968^2 + 12357^2 .

It is a cyclic number.

It is not a de Polignac number, because 378338336473 - 2³⁷ = 240899383001 is a prime.

It is not a weakly prime, because it can be changed into another prime (378338336479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189169168236 + 189169168237.

It is an arithmetic number, because the mean of its divisors is an integer number (189169168237).

Almost surely, 2^378338336473 is an apocalyptic number.

It is an amenable number.

378338336473 is a deficient number, since it is larger than the sum of its proper divisors (1).

378338336473 is an equidigital number, since it uses as much as digits as its factorization.

378338336473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 58.

The spelling of 378338336473 in words is "three hundred seventy-eight billion, three hundred thirty-eight million, three hundred thirty-six thousand, four hundred seventy-three".